The Garmin Varia RTL515 Rearview Radar & LED Rear Bike Light in black is a high-quality and innovative cycling accessory designed by Garmin. This rearview radar system uses advanced technology to detect vehicles and pedestrians behind the rider, providing a safer cycling experience. The included LED rear bike light enhances visibility and safety during low-light conditions. The USB feature allows for convenient charging and maintenance. Made of durable plastic, this accessory is a reliable and essential tool for cyclists looking to improve their safety and visibility on the road. Brand new, box not included.